PEPPERL FUCHS FB1208B Digital Input Owner’s Manual
- June 9, 2024
- Pepperl Fuchs
Table of Contents
Owner’s Manual
Digital Input
FB1208B
FB1208B Digital Input
- 8-channel
- Inputs Ex ia
- Installation in suitable enclosures in Zone 1
- Module can be exchanged under voltage (hot swap)
- Dry contact or NAMUR inputs
- Positive or negative logic selectable
- Simulation mode for service operations (forcing)
- Line fault detection (LFD)
- Permanently self-monitoring
- On/Off delay
Function
The device accepts digital input signals of NAMUR sensors or mechanical
contacts from the hazardous area.
Open or short circuit line fault alarms are detected.
The inputs are galvanically isolated from the bus and the power supply (EN
60079-11).
Connection
Technical Data
Slots|
---|---
Occupied slots| 2
Supply|
Connection| backplane bus
Rated voltage| Ur 12 V DC , only in connection with the power supplies FB92
Power dissipation| 0.95 W
Power consumption| 0.95 W
Internal bus**|
Connection| backplane bus
Interface| manufacturer-specific bus to standard com unit
Digital input|
Number of channels| 8
Technical Data
Sensor interface|
---|---
Connection| NAMUR sensor
Connection [2]| volt-free contact
Connection| channel I: 1+, 2-; channel II: 3+, 4-; channel III: 5+, 6-;
channel IV: 7+, 8-; channel V:
9+, 10-; channel VI: 11+, 12-; channel VII: 13+, 14-; channel VIII: 15+, 16-
Rated values| acc. to EN 60947-5-6 (NAMUR)
Switching point/switching| 1.2 … 2.1 mA / ± 0.2 mA
Internal resistor| Ri 1 kΩ
Line fault detection| can be switched on/off for each channel via
configuration tool
Connection| mechanical switch with additional resistors (see connection
diagram) proximity switches without additional wiring
Short-circuit| < 360 Ω
Open-circuit| < 0.35 mA
Minimum pulse duration| 1 ms
Indicators/settings|
LED indication| LED green: supply
LED red: line fault
Coding| optional mechanical coding via front socket
Directive conformity|
Electromagnetic compatibility|
Directive 2014/30/EU| EN 61326-1:2013
Conformity|
Electromagnetic compatibility| NE 21
Degree of protection| IEC 60529
Environmental test| EN 60068-2-14
Shock resistance| EN 60068-2-27
Vibration resistance| EN 60068-2-6
Damaging gas| EN 60068-2-42
Relative humidity| EN 60068-2-78
Ambient conditions|
Ambient temperature| -20 … 60 °C (-4 … 140 °F)
Storage temperature| -25 … 85 °C (-13 … 185 °F)
Relative humidity| 95 % non-condensing
Shock resistance| shock type I, shock duration 11 ms, shock amplitude 15 g,
number of shocks 18
Vibration resistance| frequency range 10 … 150 Hz; transition frequency: 57.56
Hz, amplitude/acceleration
± 0.075 mm/1 g; 10 cycles frequency range 5 … 100 Hz; transition frequency:
13.2 Hz amplitude/acceleration ± 1 mm/0.7 g; 90 minutes at each resonance
Damaging gas| designed for operation in environmental conditions acc. to
ISA-S71.04-1985, severity
level G3
Mechanical specifications|
Degree of protection| IP20 (module) , a separate housing is required acc. to
the system description
Connection| removable front connector with screw flange (accessory) wiring
connection via spring terminals (0.14 … 1.5 mm2) or screw terminals (0.08 …
1.5 mm2)
Mass| approx. 750 g
Dimensions| 57 x 107 x 132 mm (2.2 x 4.2 x 5.2 inch)
Data for application in connection with hazardous areas
EU-type examination certificate| PTB 97 ATEX 1074 U
Marking| II 2(1) G Ex d [ia Ga] IIC Gb
II (1) D [Ex ia Da] IIIC
Input|
Voltage| Uo 15.3 V
Current| Io 16.1 mA
Power| Po 61.8 mW (linear characteristic)
Galvanic isolation|
Input/power supply, internal bus| safe electrical isolation acc. to EN
60079-11, voltage peak value 375 V
Directive conformity|
Directive 2014/34/EU| EN IEC 60079-0:2018+AC:2020
EN 60079-1:2014
EN 60079-11:2012
International approvals|
ATEX approval| PTB 97 ATEX 1075 ; PTB 97 ATEX 1074 U
General information|
System information| The module has to be mounted in appropriate backplanes and
housings (FB92**) in
Zone 1, 2, 21, 22 or outside hazardous areas (gas or dust). Here, observe the
corresponding EC-type examination certificate.
Supplementary information| EC-Type Examination Certificate, Statement of
Conformity, Declaration of Conformity, Attestation of Conformity and
instructions have to be observed where applicable. For information see www
.pepperl-fuchs.com.
Assembly
Front view
Accessories
| FB9224* | Field Unit |
|---|---|
| FB9225* | Redundancy Field Unit |
| FB9248* | Field Unit |
Refer to “General Notes Relating to Pepperl+Fuchs Product Information”.
Pepperl+Fuchs Group
www.pepperl-fuchs.com
USA: +1 330 486 0002
pa-info@us.pepperl-fuchs.com
Germany: +49 621 776 2222
pa-info@de.pepperl-fuchs.com
Singapore: +65 6779 9091
pa-info@sg.pepperl-fuchs.com
References
- Pepperl+Fuchs International. Industrial Sensors, Factory Automation, Process Automation, Intrinsic Safety, Explosion Protection
- Pepperl+Fuchs International. Industrial Sensors, Factory Automation, Process Automation, Intrinsic Safety, Explosion Protection
Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>